HydroponicsGrowing MediaClay Pebbles - HydrokorrelsExpanded Clay for Hydroponics | Gold Label Hydro 45L Expanded Clay for Hydroponics | Gold Label Hydro 45L 0 Reviews | Add your review PRODUCT CODE: 23097 SHORT DESCRIPTION The pebbles 10-20mm of expanded clay HYDRO Gold Label are very dense, they can float in the systems of ebb / flow. They have a solid ceramic outer layer , that limits the absorption of water. €17,80 In stock Order now and pay with credit card or paypal. The goods will be given to the courier tomorrow Quantity: Add to cart Add to Wishlist Description Specifications Reviews Professional expanded clay - 10/20mm - for hydroponic systems The expanded clay 10-20mm HYDRO Gold Label are very dense and have a solid ceramic outer layer , that limits the absorption of water. Inert high quality clay for hydroponics and aeroponics Gold Label Hydrocorn (clay pebbles) are manufactured using a mix of the best quality pure clays and are baked in an open furnace using high grade clean fuels, guaranteeing the absence of heavy metals or other contaminates. Gold Label Hydrocorn proudly carries the RHP for horticulture quality certificate. Gold Label Hydrocorn is the inert hydroponics substrate of choice for professionals. The 8-16 mm size provides stability and the unique uneven shape of the pebble is an ideal surface for roots and beneficial bacteria. The porous structure has a high water capacity and is suitable for both ebb/flood and top irrigation systems. Size 45L Product list Gold Label Manufacturer Gold Label Overall opinion Product quality Easy to use Expected results Add your review